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$344+ Cheap flights from Seattle (SEA) to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Seattle to London City

Cheapest flights from Seattle to London City
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This KAYAK deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:35 pmSEA - LCY
2 stops36h 50mSWISS
Fri 1/309:20 amLCY - SEA
2 stops19h 52mSWISS
Deal found 12/26$861
This KAYAK deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmSEA - LCY
2 stops19h 30mSWISS
Sat 1/3112:15 pmLCY - SEA
2 stops40h 57mSWISS
Deal found 12/26$911
This Delta deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:05 pmSEA - LCY
1 stop33h 05mDelta
Tue 1/610:00 amLCY - SEA
2 stops38h 38mDelta
Deal found 12/26$947
This Gotogate deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amSEA - LCY
2 stops26h 40mMultiple Airlines
Tue 1/139:15 amLCY - SEA
2 stops19h 57mMultiple Airlines
Deal found 12/28$971
This SWISS deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:52 amSEA - LCY
2 stops42h 03mSWISS
Wed 1/149:20 amLCY - SEA
2 stops19h 52mSWISS
Deal found 12/26$1,019
This Virgin Atlantic deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:05 pmSEA - LCY
1 stop17h 30mVirgin Atlantic
Fri 1/307:45 amLCY - SEA
2 stops22h 28mVirgin Atlantic
Deal found 12/26$1,058
This Virgin Atlantic deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:05 pmSEA - LCY
1 stop17h 30mVirgin Atlantic
Sat 1/318:40 amLCY - SEA
2 stops21h 09mVirgin Atlantic
Deal found 12/26$1,108
This SWISS deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmSEA - LCY
2 stops19h 30mSWISS
Thu 1/89:15 amLCY - SEA
2 stops21h 28mSWISS
Deal found 12/27$1,129
This oojo deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:51 amSEA - LCY
2 stops42h 44mBritish Airways
Wed 1/73:30 pmLCY - SEA
2 stops38h 37mBritish Airways
Deal found 12/26$1,215
This Virgin Atlantic deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:05 pmSEA - LCY
1 stop18h 15mVirgin Atlantic
Wed 1/78:05 pmLCY - SEA
2 stops28h 53mVirgin Atlantic
Deal found 12/26$1,232

Find flight deals from Seattle to London City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 28, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$650
(Virgin Atlantic)

One-way from

$344
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$987
Provider with most accurate pricing for Seattle/Tacoma Intl-London City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London City flights.
Search Deals
From Seattle/Tacoma Intl to London City
Search Deals
One-way flight from Seattle/Tacoma Intl to London City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to London City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.

Fly from

Seattle

Fly to

London City

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 3/4

3:05 pm-6:25 pm

1 stop19h 20m

London City

Mon 3/9

6:55 pm-12:35 pm

1 stop24h 40m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 2/2

3:05 pm-4:35 pm

1 stop17h 30m

London City

Thu 2/19

9:20 am-11:40 am

1 stop34h 20m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 2/9

3:05 pm-4:35 pm

1 stop17h 30m

London City

Mon 2/16

8:05 pm-11:40 am

1 stop23h 35m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 2/3

3:05 pm-4:35 pm

1 stop17h 30m

London City

Wed 2/18

8:40 am-11:40 am

1 stop35h 00m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 2/25

3:05 pm-4:35 pm

1 stop17h 30m

London City

Sun 3/1

1:45 pm-11:35 am

1 stop29h 50m

$652

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 2/1

9:55 am-4:35 pm

2 stops22h 40m

London City

Mon 2/16

9:20 am-11:40 am

1 stop34h 20m

$656

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Fri 1/30

6:05 am-8:10 am

2 stops18h 05m

London City

Mon 2/16

10:00 am-11:40 am

1 stop33h 40m

$656

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 3/1

6:10 am-8:50 am

2 stops18h 40m

London City

Sun 3/8

8:05 pm-12:35 pm

1 stop23h 30m

$656

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 2/4

11:25 am-4:35 pm

2 stops21h 10m

London City

Fri 2/13

9:20 am-11:40 am

1 stop34h 20m

$656

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/2

10:55 am-12:55 pm

2 stops18h 00m

London City

Mon 3/9

7:10 pm-10:45 pm

2 stops34h 35m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 24 results
1
2
3
  • Most accurate provider: When it comes to deals on Seattle-London City Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-London City Airport flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Seattle-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-London City Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to London City Airport

What is the cheapest time of day to fly from SEA to LCY?

Find hourly flight availability from Seattle to London City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

When flying from Seattle to London City Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight in the morning.

Reviews of airlines servicing London City

Get insights into the airlines that provide service to London City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London City. Reviews last updated December 28, 2025.
Get a feel of what it's like to fly with Scandinavian Airlines from Seattle to London City Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,630 reviews

Boarding

7.6

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

6.7

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.4
Good
1,630 reviews
Scandinavian Airlines
7.4
Good
1,630 reviews

Boarding

7.6

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

6.7

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

Related info for your journey

Find useful and relevant information for your journey from Seattle to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to London City?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to London City from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to London City should be relatively easy as there are 0 daily outbound flights to London City from 1 airline.

  • How long is the flight from Seattle to London City Airport?

    A quick flight from Seattle to London City Airport can take about 17h 30m. Virgin Atlantic provides one of the quickest options available for as low as $652. Seattle and London City Airport are separated by a distance of 4794 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Seattle to London City Airport round-trip?

    According to our current data, Scandinavian Airlines ($962), offers the cheapest pricing from Seattle to London City Airport.

  • Can I find deals for flights from Seattle to London City that include hotel bookings?

    Yes. In addition to deals on Seattle to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to London City.

  • Can I find deals for business class flights from Seattle to London City?

    Yes. Cheapflights offers flight deals from Seattle to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to London City

Discover the top airline that operate flights from Seattle to London City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$962Average$1,000FlexibilityNo cancel feeOn-time77%

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